Fine collection of three Chladni plates on their original wooden base, early 19th

Fine collection of three Chladni plates on their original wooden base, early 19th

1200 euros

Dimensions

67 cm length / 35 cm height / square plate 26.5x26.5cm

Circa

early 19th century

Category: Physics & Chemistry

Description

A very fine and elegant collection of three original Chladni plates preserved on their original wooden base with curved feet.

“he technique of showing the lines of nodes on vibrating metal plates by strewing sand on them was developed by the German physicist Ernst E. F. Chladni. The first mention of the technique is in his book Entdeckungen ueber die Theorie des Klanges, published in 1787. Until the twentieth century the standard method of setting the plates into oscillation was drawing the rosined hairs of a violin bow over the edge of the plate, which was normally clamped at its geometrical center. Today we place a loudspeaker above or below the plate, and adjust the driving frequency until the plate goes into resonance, and the sand on the surface moves toward the nodes.”

Great original condition.

Dimensions : 67 cm length / 35 cm height / square plate 26.5×26.5cm

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Established by Alexandre Piffault in 2014 and based in Paris, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.